MOCK TEST
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LPP Part 1
Name
Maximum value of z = 15x +20y subject to 3x + 4y <= 12,x,y>= 0 and y >= 0?
46
50
60
none of these
Maximum value of z = 30x+50y subject to 3x+y >=15, x+2y>=12, 3x+2y>=12, 3x+2y>= 24, x, y >=0 is given by
360
330
750
Unbounded
Inequation 3x-y >=3 and 3x-y>=3
have solutions for positive x & y
have no solutions for positive x & y
have solutions fo all x
have solutions for all x
In equation 3x-u >=3 & 4x-y>=4
have solutions for positive x & y
have no solutions for positive x & y
have solutions for all x
have solutions for all y
The intermediate solutions of constraints must be checked by substituting them back into
objective function
constraint equations
not required
none of these
The graph of x<=2 and y>=2 will be situated in the
Ist and IInd Quadrant
IInd and IIIrd Quadrant
Ist and IIIrd Quadrant
IIIrd and IVnd Quadrant
Operation research approach is
Multi-disciplinary
Artificial
Intuitive
All of the above
A constraint in an LP model restricts
value of the objective functi
value of the decision variabl
use of the available resours
all of the above
A feasible solution of LPP
Must satisfy all the constraints simultaneously
Need not satisfy all the constraints, only some of them
Must be a corner point of the feasible region
all of the above
The linear function of the variables which is to be maximize or minimize is called
Constraints
Objective function
Decision variabl
None of the above